#!/usr/bin/env python3.6

# score = int(input("input:"))
#
# if score <= 100 and score >= 0 :
#     if score >= 90 :
#         print("A")
#     elif score >= 80:
#         print("B")
#     elif score >= 70:
#         print("C")
#     elif score >= 60:
#         print("D")
#     else:
#         print("E")
# else:
#     print("非法输入")
# count = 0
# while True:
#     if count <3:
#         user = input("username:")
#         passwd = input("password:")
#         if user == "seven" and passwd == "123":
#             print("登录成功")
#             break
#         else:
#             print("用户名密码错误，重新输入")
#     else:
#         break
#     count +=1


# li  = ['alex', 'eric', 'rain']
#
# li.append("seven")
# li.insert(1,"Tony")
# li[2]="Kelly"
# # li.remove('eric')
# print(li)
#
#
# for i in enumerate(li):
#     print(i)





#
# li = ["hello", 'seven', ["mon", ["h", "kelly"], 'all'], 123, 446]
#
#
# print(li[2][1][1])


# tu = ("alex", [11, 22, {"k1": 'v1', "k2": ["age", "name"], "k3": (11,22,33)}, 44])
# tu[1][2]["k3"].append("seven")
# print(tu)


# dic = {'k1': "v1", "k2": "v2", "k3": [11,22,33]}
# dic["k3"].insert(1,18)
# print(dic)




# s = "alex"
# print(s.split())
# print(eval(s))

# money = input("输入资产：")
# GOODS = [
#     {"name": "电脑", "price": 1999},
#     {"name": "鼠标", "price": 10},
#     {"name": "游艇", "price": 20},
#     {"name": "美女", "price": 998},
# ]
#
# GOODS_list = []
# while True:
#     for i in enumerate(GOODS):
#         print(i)
#     user_chiose = input("选择要购买的商品编号：").strip
#     if user_chiose < len(GOODS) and user_chiose >= 0:
#
#         # shopping = GOODS[user_chiose]
#         # GOODS_list.append(shopping)
#         print(GOODS[user_chiose])
#
#
#
#
#     break

# print("1.2".isdigit())
# def stat(data):
#     for i in data:
#         if i.islower():
#             a = i
#         elif i.isupper():
#             b = i
#         elif i.
i = 2
while i < 100:
    if i%2 == 0:
        a = i
        print(a)
    i +=1


# a = 1
# while a < 101:
#     if a%2 == 0:
#         i = a
#         print(i)
#     a +=1






